Sprinkler-head.



V PATENTED OCT. 15, 1907. A. M. LEWIS. SPRINKLER HEAD. APPLICATION FILEDH3120. 1907.

ARTHUR M.-LEWIS, F PHILADELPHIA, PENNSYLVANIA, ASSIGNOR TO'INTERNATIONAL v SYLVANIA.

SPRINKLER COMPANY, OF PHILADELPHIA, PENNSYLVANIA, A CORPORATION OF PENN-SPRINKLER-HEAD.

Specification of Letters Patent. Application filed February 20,1907.Serial No. 358,457.

Patented Oct. 1 5, 1907.

To all whom it may concern: lie it known that I, ARTHUR H. LEWIS, acitizcn of the United States, residing in Philadelphia, Pennsylvania,have invented certain Improvements in Sprin- 5 kler-Heads, of which thefollowing is a specification.

My invention relates to improvements in automatic lire extinguishingapparatus of the particular class V knowu as sprinkler heads:having forits object the provision of a device of this class of such constructionthat under operative conditions it shall direct Water ver a certainlimited and predetermined area to the t rec-ted not only over a certainarea, but shall be so dis-' I tributcd as to be most effective inextinguishing a fire within the area which it serves. I

These objects I attain as hereinafter set forth, refer ence being had tothe accompanying drawings, in \vhich:- I

Figure 1 is a perspective view of a sprinkler head constructed accordingto my invention; Fig. 2, is a vf-rtical section of the sprinkler headshown in Fig. l; Figs-i, is a horizontal section taken on the line 33,

shown in F ig. 2, but illustratingthe course taken by the water as it isdirected by the sprinkler head. i

In the above drawings, A represents the tubular base of a sprinklerhead, threaded in the customary 3o fire extinguishing system. Projectingfrom this base are two arms a, united'to form a yoke, and carryingopposite the base a deflector plate a of the construction described. andclaimed in a pending application of John (1-. Scott, filed Sept. 4,1906, Serial No. 333,146. This plate has substantially parallel groovesa. extending outwardly from the yoke arms a and lies in a plane.

substantially normal to the plane of the arms a. In the center line ofthe head, at the point of junction of said arms a, is a. screw b forminga socket for the reception ot-one end of a lever b. A' second lever 12'engages a cap or valve I) normally closing the opening in the basepiece, and also engages the lever b in such a manner that the point ofcontact between the yoke piece and the-lever b, the point of contactbetween the lever b and the valve b and the point or points of.

contact between the levers, are not in a straight line.

Each of the levers b and b has a free arm and these two arms areseparably connected by a pair of links 0 V and 0 held together byfusible solder having av relatively low and predetermined melting point.So far th sprinkler head is similar in construction to those heretoforeknown, and my invention consists in placing between and to one side ofthe arms a a deflecting web or guide section D. As will be seen fromFigs. 2

Fig. 2, and Fig. 4, is a vertical section, similar to that manner forattachment to the water supply pipe for a Q and 3, this web extends fromthe deflector plate a on one side of the plane of the arms a toward theoutlet of the tubular piece A; being flared at its upperedge'and curvedoutwardly so as to catch or be struck by the water coming from saidoutlet of the base when the valve is released and gradually changing itscourse so as to direct it all onto the opposite side of the-plane of thearms; the curvature of this piece being upwardl and outwardly from thesocket scre'w b.

It is, of course, obvious that while I have illustrated the deflector orguide web D as formed integral with the arms a and the deflecting platea; it may be made in a piece separate therefrom, if desired, and besecured in place in any desired manner.

Under operating conditions the two lovers 1) and k with their connectinglinks, project on that side of the plane of the arms a opposite theguide plate D, and

when the temperature in the vicinity of the sprinkler head rises, abovea predetermined point, the links 0 and c separate, allowing the levers band b to spring apart. The valve b is then forcibly moved frolntho sea-tb at the end of the tubular base A, either by pressure within the supplypipe or by -springs, and the water flows outwardly as indicated in Fig.4. In so doing it strikes the deflector or guide web D and is given acurvature to the opposite side of the sprinkler head, as well as spreadout to some extent before it strikes the plate a". Upon this it is stillfurther spread out so as to be finallydelivered' over an 'area in theform of a fiat and relatively dense sheet, which has been found mosteffective for the quick extingniishing of fire. v

The device is particularly adapted for use in car storage sheds orbarns, Where it is desirable to protect a line of cars extendingadjacent to a wall. Under such conditions the sprinkler heads will bemounted so as to direct water delivered by them away from the walltoward-the cars; it being obvious that by this means such water isguided over areas where it is needed, thus avoiding unnecessary wasteand consequent low efiiciency, necessarily resulting from the I use ofsprinklers of the ordinary constm'ction.

Iclaim 1. As a new unitary article of manufacture, a sprinkler headconstructed to direct water over a definite area on one side only of aplane parallel to the line of the outlet of said head including meansfor changing the direction outlet, temperature responsive means normallypreventing tlmv from said outlet. at deflector plate opposite the outletlying in a plane substantially at right angles to the line thereof. anda guide piece placed to direct water from the outlet toward one side ofthe deflector, plate, substantially as described.

7. The combination of a sprinkler head consisting of a tubularstrut-lure designed for attachment to a fluid supply system. doth-cling,means for the sprinkler head consisting of a concave \veh placed todeflect liquid from the outlet to one side of the line thereof, with adeflector plate form in; a continuation of the web and constructed tospread the water in a sho t substantially at riglitangles to the line ofthe outlet, substantiiill) as described;-

ti. As :1 new unitary article of. manufacture a sprinkler head havina'an outlet, and a deflector on one side of outlet consisting of a concaveplate curved through an angle of t l l l l l l i 90 to direct water fromsaid outlet to one side only 01. the head, substantially as described.

7. A sprinkler head hav'ing an outlet, and a deflector therefor having aportion on one side of said outlet, and curved to bring another portionopposite the outlet so'as to cause the entire flow from the head to bedirected to one side only thereof, substantially as described.

R. The combination of a sprinkter head consisting of a tubular base, ayoke projecting therefrom, a concave detlector projecting on one side ofthe plane of the yoke and formed to direct the water from the outlettoward the opposite side of said plane, a cantor the outlet, leversinterposed between the cap and the yoke and projecting on that side ofsaid yoke opposite the deflector, and temperature responsive means fornormally holding the levers in position to maintain the cap over theoutlet, substantially as described.

In" testimony whereof, I have signed my name to this specification, inthe presence of two subscribing witnesses.

Witnes-cs:

Ii. .lonxsox, J. F. Maximum.

